Adding-machine.



J. B. MOODY.

ADDING MACHINE.

v APPLICATION FILED SEPT.22, 1913. 1,1 1 6,461 v Patented Nov. 10, 1914 5 SHEETS-SHEET l.

15022 mamy J. BA. MOO-DY. ADDING MACHINE.

n APPLIOATION PILED'SBPT. 22, 1913. l, 1 1 6,461 Patented Nov. 10, 1914.

5 SHEETS-SHEET 2.

J, B. MOODY.

ADDING MACHINE.

APPLICATION FILED SEPT. 22, 1913.- 1,1 1 6,461 Patented Nov. l0, 1914.

5 SHEETS-SHEET 3.

Wl TNESSES Jima/z md W afm/Ey J. D. MOODY. ADDING MACHINE. APPLICATION FILED SEPT. 22, 1913. 1,1 1 6,461 Patented N0v.10,1914.

5 SHEETS-SHEET 4.

onirico srATiis iairiiufii onirica.

JASON B. MOODY, 0F DALLAS, TEXAS.

ADDING-MACHINE.

Speccation of Letters atent.

Application illed September 22, 1'918. Serial 1No.-79.1 ,0l58.y

T0 all whom it may concern: Be it known that I, J AsoN B..Moonr, citizen of the United States, residing at.Dallas, in the county of Dallas and State of Texas, have'invented certain new and useful Improvements in Addingdwachines, of which the following; is a specification.

My invention relates. to adding machines, and particularly relatesto that class o f adding machines 'which lembody no printing mechanism but consecutively add t e numbers ofa sum upon key actuated accumulat.F

. ing wheels, finally registering upon said:

wheels the desired total.

My. invention is further classified as having ten keys each' of which: is adapted to actuate any one of. several accumulating wheels by employing a transmission mecha. nism for each key one. element of which is common to alland is mounted. upon a can. riage so-that it may be adjusted toforiir a part of any of the key actuated mechanism.

VIt is the object 'of my invention to.` provide a. novel carriage for mounting thelmovable element of the` several transmission mechanisms, the nov'lt consisting. iii so mounting said element t at it may perform its proper function ini. each. of its various positions of adjustment. 1 h .I

Finally, the object of my invention .is-to provide a device of thecharacter described, that will be strong durable, simple and-.edifcient, and comparatively easy tol construct, and also one, 'the variousiparts ofi which will not be likely to get out ot working order.'

With. theseand other various ob]ects.in

view, my invention has relation to certain the line w-w of Fig. 2. Fig. 4;. is a. detailT sectional view of the escape/ment, the. section being taken upon the linewT-m of .F ig. 2. Fig. 4** is a view similar to Figa showing a' modification of my escapement.V Fig. 5 is a horizontal sectional view, the section being takenaupon the line y-y of Fig. 2.

Patented Nov. 10, 1914.

Fig. 6 is a detall front view of the accumulating mechanism. Fig. 7 is a *vertical sectional view.` of the same, the section being taikenuponI the liners-z of Fig. 6. Fig. 8

is a viewl in side elevation showing am'odilied form. of my escapement.- Fig. 3 is a horizontal. viewv of the same, thesection beingi taken upon. the line a-b of Fig; 8.

Referring' now more particularly -to the drawings, wherein. like reference characters designate similar parts in alll the gures,

the numeral 1 denotes the casing of my machine, whichwwill preferably' be formedl of sheet metal, suitablyy shaped to accommodate the inclosed. mechanism.v Intlie bottom portion of. the. casing: bl, there are mounted ten key bars-Q'parallel toieaoh other and to the sidewalls of the casing, and normally occupying a horizontal position. Thearrangement and mounting of the key bars is best illustrated in Figs. l and 2. The forward extremities of thef bars 2.' are turned upwardly through apertures 3 in the casingy 1,

and are respectively surmountedby keys 4. The keys 4 cai'ry'numbers ranging from-zero' to.- nine.; inclusive,.and1 will preferablyv form two'rovvstransverse of the casing,i one' row .carrying the,odd= numbers ofthe seriesfand thefother ther even numbers. It is furthermore preferred to so'number the keys that they will ,consecutively increase in number from left. to right ofthe series. 'Bhe key bars 2: are respectively pivotedbetween pairs -of brackets 54 rigidly extending. fromI a horizontalrhar 6, secured at' its extremities to the side walls of: the-casing, .andi curving. gradually towardtlie rear of' the casing from right to leftLthereof.. The rear ends of lthe bars 2 are. trai'isversely` alinedi and lie adjacent to the'rear wall ofthe casing. Owingto the curvature of the bar 6, the distances from the pivot points ofthe lkey bai-s to their rear ends gradually increaseffrom left to right of the-series, .the left-hand key bar being pivotedv adjacenti to its middle, and the right-- 'handbar near its forwardexti'emity. Each ofthe bars 2, except thatwhich carries-the zero key, has formedupon its rear extremity van integral upstanding. rojection 8 of sub ,stantial .of the members 8 will'. presently. be. made yseinicrcular s apc. The function iooY Y clear. The bar, 2 which carries the zero key has its upper vedge beveled at itsyrear end as is indicated by the numeral 9. The rear extremity. of each key-bar is connected with the floor of the casing by 'a coiled spring 10, which serves to return the bar to itsnormal horizontal position, after the bar has been subjected to an angular.displacement.` Thev allell and adjacent to thel sidewalls of the casing, and normally horizontal, the forward extremities of said bars being turned upwardly as indicated at 12, and connected by a horizontal bar 1,3 extending transversely beneath the forward extremities of the key j bars a short distance beneath forward end of the frame'comprisinglthe parts 11,'12 and 13, has a swinging connection with the side walls of the casing through a pair of links 14, which when the frame is in its normal position are horizontal. The bars 11 respectively have pivotal connection at their rear ends lwith the lower extremities of two normally vertical bars 16.

The upper extremities of the bars 16 are integrally connected by a bar 17 parallel to the rear wall of the casing.' The members 16 'and 17 are best shown in Figs. 2,3 and 9. The bar 17 has formed upon its front and rear edges two racks of ratchet teeth respectively designated by the numbers 31 and 33, the teeth of one rack being staggered in their relation to those of the other. The bars 16 are pivoted adjacent to their upper extremip ties as indicated at 18, the outer ends of the pivot pins 18 being supported by brackets 19 mounted upon the casing side walls, and the inner ends of said pins being supported by the down turned extremities of a bar 2O parallel to the bar 17 and spaced beneath the same. The bar 20 is rigidly supported from the bottom of the casing by three or more legs 21. The upper extremities of the bars 16 respectively project between the ends of two guide rods 22, rigidly supported by the side -walls of the casing. Upon 'said guide rods, a carriage 23 is adapted to undergo sliding travel, said carriage being provided with composite legs 24 loosely engaging the guide rods at their lower ends. For the best illustration of said carriage and the parts intimately associated therewith, see Figs. 3, 8 and 9. To said carriage is secured one extremity of a flexible tape or ribbon 25 preferably formed of steel, which ribbon is carried from the carriage over two rollers 26 mounted between a pair of brackets 27 secured'to the right side wa11 of the the same.v The casing. After passing; over said rollers, the ribbon is extended toward the left side wall of the' casing, and has connection with'said 4Wall through a spring 28. When thecarriage is moved from right to left of the casing, the spring 28 is extended, and the retractile force of the spring acting upon the 4carriage through the ribbon 25 tends constantly to return the carriage to its righthand. limiting position of travel. Just above the bar 17, a bracket 29 is integrally formed upon said carriage, and said bracket is formed with opposite integral depending fingers 291 respectively spaced from the lateral edges of the bar 17. Upon thefrearmost of the ngers 29, there is pivoted a pawl 30 which is adapted to engage the ratchet teeth 31 formed upon the rear edge of the bar 17. The teeth of the rack 31 are s o formed that when one of them is engaged bythe pawl 30, the carriage 23 will be withheld from yielding to the force exerted upon said carriage by. the spring 28. When the carriage is being manually displaced from right to left of the casing, the pawl 30 may swing about its pivot so lasl to offer no impediment to the v travel of thecarriage, but a coiled spring 32 connecting the pawl with the correlated linger 29a tends to instantly return the pawl to lts normal position when the latter is momentarily `spaced from the adjacent rack. The number of teeth embodied in each of the tw`o racks 31 and 33 must be equal to the number of figures comprising the maximum total the machine is designed to secure. Since the drawings illustrate a machine designed to secure a total containing as many as eight figures, this number of teeth are embodied in the two racks. Upon the front finger 29a there is formed a rigid pawl 34, which may engage the rack 33 when the bar 17 is subjected to a slight forward displacement. The condition under which the bar 17 is shifted forwardly or rewardly will later be fully explained.

With the carriage 23 is integrally formed a pair of spaced rearwardly extending arms 35, which serve to rigidly support at their rear ends a vertical guide member 36. The member 36 serves to accurately guide the vertical sliding displacement of the rack bar 37, which passes between the arm 35, and is formed adjacent to its rear edge with a pair of laterally extending flanges 38 entering the guide member 36 and increasing the accuracy with which the rack bar is limited by the guide member to vertical displacement. The teeth 39 of the rack bar areformed upon the upper portion of the front edge of said bar and areof ratchet shape. The teeth comprising the rack 39 should be not less than nine in number. The bar 37 has integrally formed upon its lower extremity a sleeve 40 which loosely engages a hori- .zontal slide rod 41, parallel to the rear wall` ofy the casing. The extremities of the rod Y 41 are res ectively rigidly mounted in the short-distance beneath said rod. The memstationary bers 41, 42 and 43 together form a rigid frame which normally rests upon the roections 8 formed upon the rear ends ofp the ars 2, so that the manipulation of any keybar will communicate an upward displacement to said frame, which through its own weight returns to its normal position as the displaced key-bar returns. The rack-bar 37 will of course share in any vertical displacement communicated to said frame owing to the mounting of the sleeve 40 upon the rod 41. Each guide bar 42 is enga ed between two vertically spaced pairs o rollers 44, which rollers are journaled upon pinsv 45 mounted in the adjacent side walls of the casing. The free end of each pair of pins 45 su port the extremities of a plate 46, the

corre ated bar 42 being passed between said plate and the adjacent side wall. Thus the extremities of the frame comprising` the parts 41, 42 and 43 are accurately guided during vertical displacementof said frame, so that the latter will have no tendency to bind during such displacement.

' In the u per portion of the casing 1, a orizontal shaft 47 Vis mounted parallel to the rear casing wall, the extremities of said shaft being rotatably mounted in the side walls of the casing. Upon the shaft 47, there is mounted a plurality of equall spaced revoluble members (Figs. 6 and 7;, each member comprising a ratchet wheel 48, an accumulating wheel 49, and a cam 50. The parts 49 and 50 of each member will referably be formed integral with the correliated part 48 at each side thereof. The number of said members should be equal to the number of teeth comprising the rack 31, and will determine the number of figures entering into the maximum total that may be obtained upon the machine. Said revoluble members are held in a proper spaced relation by a plurality of sleeves 51 fast upon'the shaft 47. Through a sliding displacement of the carriage 23, the rack 31 vmay be adapted to engage any one of the ratchet Wheels 48, so as to produce rotation of the member in which the engaged ratchet Wheel is embodied, when subjected to an upward vertical displacement. It is essential that the direction of rotation of the revo luble members be always the same,'and to 1prevent any reverse rotation of such memers. each ratchet wheel 48 is engaged by a pawl 52 hinged upon the front wall of the casing aidacted upon by a spring 53 hold* ing itconstantly in an operativeposition.

Each accumulating wheel will carry upon its face the usual series of equally spaced figures ranging from zero to nine.

A rod 54 is mounted a short distance beintegrally formed two arms 57 and 58 whichA extend laterally in opposite directions. Each arm 57 has rotatably mounted upon its free extremity a roller 59, which is held in constant contact with the face ofthe adjacent cam 50 by a coiled spring 63 interposed between the front wall of the casing and the upper end of the arm 55. Upon the free eX- tremity of each arm 58 is pivotally mounted a pawl 60, held in constant engagement with the teeth of a ratchet wheel 48 by a coiled spring 61, interposed between said pawl and a bracket 62 projecting at a right angle from the correlated arm 55. The roller 59 and the pawl 60 mounted upon any correlated pair of arms 57 and 58 respectively engage parts 50 and 4S of adjacent revoluble members lying respectively to the right and the left of said pair of arms 57 and 58.

Upon the side of each cam 50, there is mounted a spring-pressed pawl 64, the free end of which is held by the correlated spring contiguous with the adjacent sleeve 51. Upon each sleeve 51 there is mounted fast a small catch disposed closely adjacent to the cam 50 with which one end of the sleeve is contiguous. The construction com` prising the parts 64 and 65 is such that when the -shaft47 is subjected to a rotation having its direction the same as that which the revoluble units are adapted to undergo, the members 65 carried bv the sleeves 51 will come into contact with the pawls 64 so that the rotation of the shaft 47 will be communicated to all of said revoluble members'. Ii'. order that tho shaft 47 may bc manually rotated as described, one extremity of said shaft is allowed to project through one of the side walls of the casing 1, and carries exterior to the casing a knob 65a. The shaft 47, while adapted to be subjected to manual rotation, will be engaged by its bearingsA with suflicient firmness that it may not possibly participate in the rotation communicated to any of the revol'uble units. The catches 65 mounted upon the sleeve 51 are alined parallel to the shaft 47, and the sition of each pawl 64 relative to the figures ed parallel` to thea-ods 22 upon the carriage 23, being secured to a bracket 73 formed land Vthe latter being engageablewith the is .the same. Thus when the shaft 47 is manually subjected to rotation as has just been described, the accumulating wheels will be brought to such positions that like figures upon all of said wheels will be in alinement.

Just above the shaft 47, the lcasing 1 is formed `with an inclined portion in which portion there is formed an elongated window transrerse'od' `the casing. in this window is fitted a strip of :glass (see Fig. 1a) having the nature of a ma nifying lens. The` size of said lwindow an its relation to the accumulating wheelsv are such that a'number formed by one figure of each accumulating wheel may be seen through the window. Opposite te the carriage 2 3, the front ofthe casing 1 is formed with a transverse slot 67 .through which projects the shank 68 of a handle 69 rigidly connected with the carriage.' By grasping said handle the oper ator of the machine may rshift the carriage 23 from right 'to left ofthe casing. An adjustable scale of zeros isprovided upon the Fcasing vjust above the slot 67 as shown Fig. 1, each zero being disposed directly op vposite to one of the ratchet wheels 48. Upon the handle '69 is formed a pointer 7 0, which orv any position of the carriage indicates upon said scale the decimal place of the visible number upon the accumulating Wheel which is adapted to be subjected to'rotation for such vposition of the carriage.

The rear ends of the bars 11 respectively haveV pivotal Aconnection with two bars 71, which are extended rearwardly` and then upwardly, their upper ends being normallycontiguous with the bar 48, at each side of the key-bars. The bars .71 are supported from the side walls of the casing by' a pair of normally vertical swinging links 72.

The modiiied form of my escapement illustrated in Figs. 8 and 9 constitutes areversal of the construction embodied in the escapencent already described.L In accomplishing this reversal, the bar 17 formed with the stagecred racks 31 and '33 is mount'- upon the carriage. The upper` extremitiesof the bars 16 are rigidly connected by a bar 7 4 carrying a rigidly mounted U-shaped bracket 75. Upon the upwardly projecting portion. of said bracket, are respectively mounted the two pawls 30 and `34, the former being normally engaged with the rack 31,

rack 33 through a forward oscillation of the bar 74. ln the modified form of escapement. the teeth of the racks 31 and 33 will be pointed oppositely to the rack. teeth on the bar embodied in the first described form ol my cscapement.

An explanation will now be given as to the operation of my adding machine' the mechanism through which the accumuldting Wheels are actuated by the key-bars being first considered. The variation in the distanees from the rear ends of the key-bars to their pivotal points is such that the upward displacement to which the rear ends of said bars may be subjected increases from left to right of the series by a constant distance, this distance being equal to the length of one of the teeth 39. Thus, for example,

when .the key marked 9 is pressed, the rear end of the correlated ikey-bar will be elevated a distance equal to the combined length of all nine teeth 89. Hence, any one of the ratchet wheels 48 that may be engaged by-the rack 39 will be rotated through nine tenths of its circumference causing the number `9 carried by the correlated accumulating wheel to appear beneath the lens 66, provided, of course, that the number zero of said wheel was beneath said lens before the key was pressed. The particular accuposition in which the rack 37 is adjusted. If the accumulating wheel ail'ected did not register at zero when actuated by a certain key, the rotation ofthe wheel will bring benea-th ,the lens 66 the unit figure of the number constituting the sum of the figure which was originally registered beneath said lens andthe number carried by the actuated key. Thus if the number 5 upon a certain accumulating Wheel was registered beneath said lens before rotation of said wheel and the carrying the number 6, the number l upon said wheel will be brought beneath the lensr` 66 since 1 is the unit ligure of 11 which is the sum of 5 and 6. Since the rack 37 must participate in any vertical displacement to which the frame comprising the parts 41, 42 and-13 is subjected, and since said frame `rests upon the rear ends of all key bars eX- epting that carrying the zero, .it is appar 'ent that the rack 37 must be displaced to eX- actly the same extent as the rear end of any key `bar excepting that carrying the zero key. A. manipulation of the zero key will not efl'ccnthc rack 37 since the rear end of the key-bar carrying said key is suiliciently spaced from the bar 43' to avoid contact with the same in its displaced position.

accumulating wheels must first be made to register zero beneath the lens G6. This re- .sult is accomplished as previously described by grasping the knob and manually ro. ltatinp; the shaft 47 in the same direction as the ratchetwheels 48 are constrained to rotate. shifted 'to the left until the pointer 70 in# dicates upon the adjacent scalefthe decimal of the sum. Since theuack 37 has been brought into engagement with the ratchet wheel opposite said decimal place upon the rotation ct the wheel .is actuated by a keyv In adding a sum of numbers, all of thev The carriage 23 is then manually.

p'lace of the first figure in the 'first number mulating wheel affected depends upon the scale, when the key carrying the rst figure ofthe iirst number is pressed, said number will be registered beneath the lens 66 opposite to said decimal lace.

- The operation of t e mechanism for actuating the ,escapement and producing a stepby-step displacement of the carriage 23 will now be considered. The spacing of the bar A13 from the forward ends of the key-bars is such that when any key is pressed, the correlated key-barjust before reaching the limit of its displacement will communicate a slight downward displacement to the for- Ward end of the frame comprised by the parts 11, `12 and 13. AThe links 14 will at the samel .time cause said frame to be displaced slighily in a rearward direction. This rearward,motion will be transmitted from said frame` to the lower ends of the bars 16, and also the forward ends of the bars 71. The bars 71 in shifting .rearwardly will swing the links 72 through a short arc, thereby elevating the upper ends of said bars slightly above their normal positions. yThe movement to which the bars 16 will be subjected, will havethe nature of an angular displacement about the ivots 18. Consequently the bar 17 issu jected to a slight yb tliyat the unit figure of the sum of the figurev forward displacement sufficient to 'disengage the rack 31 from the pawl 30, and engage the rack 33 withthe pawl 34;. While the bar l17 is undergoing this forward displacement,

the carriage 23 will be actuated by the spring 28 the distance of half a rack tooth to the right. After this displacement,. the carriage ,will remain stationary during the moment that the displaced key is undergoing its return stroke, permitting .the rack bar 37 f to fall; As the key-barl and rack-bar reach lso their normal positions, theflnember 43 will strike the upper ends of the bars 71, forcing said bars to their normal position, and at the same time Iforcin the bars 16 and 17, i

*still clearer we may consider the 4steps ,taken to add fample 29 and 31. tatin the shaft 4:7, all of the accumulating, t Iwhee s will be made to register zero beand frame 11, 13, to t eir normal'positions.

As the barV 17 shifts rearwardly, the car! e will again travel to the right through istance equal to half Vthe' length of a rack tooth, being restricted from further travel by the lrack 31. Thus as the keys ria carrying the figures of a number are ccnsecutively pressed, the' ycarriage 23 will undergo a step-by-step displacement to the right, each double displacement being suffi- When the modified escapement illustrated in Figs. 8 and 9 is used, the oscillating movement,` which in the first described form of my invention was communicated to the bai-'17, will now be communicated to the bar 74 and bracket 7 5, and the bar 17 will travel with the carriage, limiting the same to a step-by-step displacement as previously described. y j A'It is apparent from the foregoing explanation that after the accumulating wheels have been set at aero, and the keys carrying all of the figures comprising the first number of a sum have been consecutively pressed, said-number will appear upon the 80 accumulating wheels beneath the lens 66, Q and the carriage 23 will be in its right-hand limiting position. The carriage will now be shifted to the left until the pointer indicates uponthe adjacent scale the decimal place of the first figure of the second number in the sum. The keys carrying the iigi ures which comprise the second number will now be consecutively pressed, and the carriage 23 will again undergo a step-b -step displacement to the right. As each ey is pressed, the accumulating wheel actuated said key will undergo a rotation such previously appearing beneath the lens 66 and the figure carried by the actuating key will now appear beneath said lens 66.

:When any accumulating' wheel completes a wheel next adjacent tothe left through the` revolution, it will actuate the accumulating :tenth part of a revolution, owing to the fact jthat the cam 50 once in each revolution displaces the correlated arm 55 forwardly sufiieient to permit the pawl 60 carried by said arm to travel the length of one tooth upon the ratchet wheel which said pawl engages.

neath the lens 66, The carriage 23 will now be manually shifted to thev left until the pointer 70 is over the Zero'of the adja cent scale just to the right of the decimal point. The keys carrying the iigures 2 and 9 are now consecutively pressed, the two accumulating wheels at the right hand of the series thus being made to register the number 29 beneath the lens 66. The carriage is now, again manually shifted as before and the keys carrying the figures 3 and 1 are consecutively pressed. As the key carrying the figure 3 is pressed, the accumulating wheel opposite the tenths place on the scale will register the figure 5 beneath the lens. As the key carrying the number 1 is pressed,

the accumulating wheel opposite the hun- 13G dredths place on the scale will complete a revolution and will register zero beneath the lens. Said accumulating Wheel in completing a revolution will displace the adjacent accumulating Wheel through one tenth of a revolution further causing it to register the ligure 6 beneath the lens. Thus the two accumulating Wheels together register 60, the sum of the two numbers taken for example. y

TWhile the machine shown and 'described in this application is designed to secure a total 'having eight figures as a maximum, it is to vbe understood that by utilizing the same principles of construction a machine may be designed to obtain a total having any number of igures desired. It is also to be understood that the escapement might be readily modified by mounting the bar 17 rigidly upon the carriage and forming the fingers 29a upon a bracket subjected to an oscillatory movement by the displacement of the key-bars.

The invention is presented as including all such modification and changes as properly come Within the scope of the following claims.

What I claim is.:

1. In a device of the character described, the combination with an adding machine carriage, of a vertically slidable frame, a vertical rack bar mounted in said frame and participating in its vertical motion, and

slidable in said frame parallel to the direction of travel of the carriage, and a member rigidly connected with the carriage, guiding the rack bar in its vertical motion, and communicating to it the horizontal motion of the-carriage.

2. In a device of the character described, the combination with an adding machine carriage, of a vertically slidable frame, a vertical rack bar mounted in said frame and participating in its vertical motion, and slidable in said frame parallel to the direction of travel of the carriage, a member rigidly connected with the carriage, guiding the rack bar in its vertical motion, and communicating to it the horizontal motion ofthe carriage, and' a plurality of pivotedkey bars upon the rear ends ofiwhich said verti! guiding the rack bar in its vertical motion and communicating to it the horizontal motion of the carriage, a rod upon which the rack bar slides with thecarriage, a pair of vertically slidable guide members to which said rod is rigidly secured, a horizontal bar rigidly connecting said members beneath said rod, and a plurality of key bars, upon which the frame comprised by said guide member, rod and bar,'normally rests, a displacement of any key bar actuating said frame upwardly.

4.' In a device of the character described, the combination with an adding machine carriage, of a vertically slidable frame, of a Kbar mounted in said frame, and participating in its vertical motion, and slidable in said frame parallel to the direction of travel of the carriage, means for communicating the travel of the carriage to the rack bar, means for guiding the rack bar in its vertical sliding displacement, and a plurality of key bars, each actuating said frame upwardly when displaced.

5. In a device of the character described, the combination with an adding machine carriage, of a vertically slidable rack bar, a member rigidly connected with the carriage,

guiding the rack bar in its vertical motion f and communicating to it the travel of the carriage, and a plurality of key bars each actuating the rack bar vertically when displaced.

Inl testimony whereof `name to this speciication in the presence of two subscribing witnesses.

JASON B. MOODY. Witnesses:-

S. R. HICKMAN, JACK A. SCHLEY.

`I have signed my 

